summaryrefslogtreecommitdiffstats
path: root/Modules
diff options
context:
space:
mode:
authorChristian Heimes <christian@cheimes.de>2012-09-20 10:42:54 (GMT)
committerChristian Heimes <christian@cheimes.de>2012-09-20 10:42:54 (GMT)
commit5cb31c9277500745b443dacf183fd16c7704577b (patch)
tree52246728468ba88be790a2a7253e61b28f237914 /Modules
parent4a5fae1b794846faa02bbdd7c67272db290d2e66 (diff)
downloadcpython-5cb31c9277500745b443dacf183fd16c7704577b.zip
cpython-5cb31c9277500745b443dacf183fd16c7704577b.tar.gz
cpython-5cb31c9277500745b443dacf183fd16c7704577b.tar.bz2
Issue #15977: Fix memory leak in Modules/_ssl.c when the function _set_npn_protocols() is called multiple times
Diffstat (limited to 'Modules')
-rw-r--r--Modules/_ssl.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 456b1f1..ad22c52 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -1713,6 +1713,9 @@ context_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
return NULL;
}
self->ctx = ctx;
+#ifdef OPENSSL_NPN_NEGOTIATED
+ self->npn_protocols = NULL;
+#endif
/* Defaults */
SSL_CTX_set_verify(self->ctx, SSL_VERIFY_NONE, NULL);
SSL_CTX_set_options(self->ctx,
@@ -1812,6 +1815,10 @@ _set_npn_protocols(PySSLContext *self, PyObject *args)
if (!PyArg_ParseTuple(args, "y*:set_npn_protocols", &protos))
return NULL;
+ if (self->npn_protocols != NULL) {
+ PyMem_Free(self->npn_protocols);
+ }
+
self->npn_protocols = PyMem_Malloc(protos.len);
if (self->npn_protocols == NULL) {
PyBuffer_Release(&protos);